<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>照片墙效果</title>
  <style type="text/css">
    body {
      color: #222;
    }

    h1 {
      font-size: 14px;
      font-family: "Microsoft Yahei";
      text-align: center;
    }

    .spinner {
      width: 40px;
      height: 40px;
      background-color: green;
      border-radius: 100%;
      margin: 100px auto;
      -webkit-animation: fadeOut 1.0s infinite ease-in-out;
      animation: fadeOut 1.0s infinite ease-in-out;
    }

    @-webkit-keyframes fadeOut {
      from {
        -webkit-transform: scale(0.0);
      }
      to {
        -webkit-transform: scale(1.0);
        opacity: 0;
      }
    }

    @keyframes fadeOut {
      from {
        transform: scale(0.0);
      }
      to {
        transform: scale(1.0);
        opacity: 0;
      }
    }
  </style>
</head>
<body>
<h1>请使用webkit内核标准浏览器查看效果</h1>
<div class="spinner"></div>
</body>
</html>
